Buggy code:
public class FieldReference extends Reference implements InvocationSite { public static final int READ = 0 ; public static final int WRITE = 1 ; public Expression receiver ; public char [ ] token ; public FieldBinding binding ; protected FieldBinding codegenBinding ; public MethodBinding [ ] syntheticAccessors ; public long nameSourcePosition ; public TypeBinding receiverType ; public TypeBinding genericCast ; public FieldReference ( char [ ] source , long pos ) { } public FlowInfo analyseAssignment ( BlockScope currentScope , FlowContext flowContext , FlowInfo flowInfo , Assignment assignment , boolean isCompound ) { if ( isCompound ) { <START_BUG> if ( ( ( ( binding . isBlankFinal ( ) ) && ( receiver . isThis ( ) ) ) && ( currentScope . allowBlankFinalFieldAssignment ( binding ) ) ) && ( ! ( flowInfo . isDefinitelyAssigned ( binding ) ) ) ) { <END_BUG> currentScope . problemReporter ( ) . uninitializedBlankFinalField ( binding , this ) ; } manageSyntheticAccessIfNecessary ( currentScope , flowInfo , true ) ; } flowInfo = receiver . analyseCode ( currentScope , flowContext , flowInfo , ( ! ( binding . isStatic ( ) ) ) ) . unconditionalInits ( ) ; if ( ( assignment . expression ) != null ) { flowInfo = assignment . expression . analyseCode ( currentScope , flowContext , flowInfo ) . unconditionalInits ( ) ; } manageSyntheticAccessIfNecessary ( currentScope , flowInfo , false ) ; if ( binding . isFinal ( ) ) { if ( ( ( ( ( ( binding . isBlankFinal ( ) ) && ( ! isCompound ) ) && ( receiver . isThis ( ) ) ) && ( ! ( ( receiver ) instanceof QualifiedThisReference ) ) ) && ( ( ( receiver . bits ) & ( ASTNode . ParenthesizedMASK ) ) == 0 ) ) && ( currentScope . allowBlankFinalFieldAssignment ( binding ) ) ) { if ( flowInfo . isPotentiallyAssigned ( binding ) ) { currentScope . problemReporter ( ) . duplicateInitializationOfBlankFinalField ( binding , this ) ; } else { flowContext . recordSettingFinal ( binding , this , flowInfo ) ; } flowInfo . markAsDefinitelyAssigned ( binding ) ; } else { currentScope . problemReporter ( ) . cannotAssignToFinalField ( binding , this ) ; } } return flowInfo ; } public FlowInfo analyseCode ( BlockScope currentScope , FlowContext flowContext , FlowInfo flowInfo ) { } public FlowInfo analyseCode ( BlockScope currentScope , FlowContext flowContext , FlowInfo flowInfo , boolean valueRequired ) { } public void computeConversion ( Scope scope , TypeBinding runtimeTimeType , TypeBinding compileTimeType ) { } public FieldBinding fieldBinding ( ) { } public void generateAssignment ( BlockScope currentScope , CodeStream codeStream , Assignment assignment , boolean valueRequired ) { } public void generateCode ( BlockScope currentScope , CodeStream codeStream , boolean valueRequired ) { } public void generateCompoundAssignment ( BlockScope currentScope , CodeStream codeStream , Expression expression , int operator , int assignmentImplicitConversion , boolean valueRequired ) { } public void generatePostIncrement ( BlockScope currentScope , CodeStream codeStream , CompoundAssignment postIncrement , boolean valueRequired ) { } public TypeBinding [ ] genericTypeArguments ( ) { } public boolean isSuperAccess ( ) { } public boolean isTypeAccess ( ) { } public void manageSyntheticAccessIfNecessary ( BlockScope currentScope , FlowInfo flowInfo , boolean isReadAccess ) { } public int nullStatus ( FlowInfo flowInfo ) { } public Constant optimizedBooleanConstant ( ) { } public TypeBinding postConversionType ( Scope scope ) { } public StringBuffer printExpression ( int indent , StringBuffer output ) { } public TypeBinding resolveType ( BlockScope scope ) { } public void setActualReceiverType ( ReferenceBinding receiverType ) { } public void setDepth ( int depth ) { } public void setFieldIndex ( int index ) { } public void traverse ( ASTVisitor visitor , BlockScope scope ) { } }

Fix:
if ( ( ( ( binding . isBlankFinal ( ) ) && ( receiver . isThis ( ) ) ) && ( currentScope . needBlankFinalFieldInitializationCheck ( binding ) ) ) && ( ! ( flowInfo . isDefinitelyAssigned ( binding ) ) ) ) {